Possession_Island temperature 1993 1.1 -2.4 -9.1 -16.3 -21.2 -19.0 -20.2 -22.8 -18.2 -14.2 -5.9 -0.9 1994 0.3 -4.6 -14.0 -13.7 -21.7 -20.0 -18.4 -24.8 -19.6 -12.9 -5.7 - 1995 - -1.7 -9.2 -16.7 -19.6 -20.0 -19.5 -19.4 -19.6 -14.0 - - 1996 0.4 -1.7 -5.8 -12.8 -19.0 -19.4 -21.2 -16.7 -19.9 -16.3 - - 1997 0.8 -1.9 -9.2 -18.8 -20.0 -16.9 -22.7 -25.4 -18.4 - - - 1998 - -2.2 -11.4 -20.2 -18.6 -16.4 -20.6 -19.3 -20.7 - - - 1999 - -1.7 -9.1 -17.4 -22.4 -16.8 -17.4 -22.8 -18.0 - - - 2000 - -2.1 -7.8 - -17.1 -19.8 -19.0 -20.3 -18.3 - - - 2001 -0.3 -2.2 -10.4 -16.5 -19.1 -18.2 -19.8 -24.0 -19.9 -13.4 -5.9 0.6 2002 1.5 -1.4 -7.0 -15.0 -14.6 -17.8 -22.4 -25.5 -16.4 -12.8 -6.2 -1.0 2003 1.2 - -12.9 -18.8 -17.1 -20.3 -19.8 -22.0 -18.3 -12.8 -6.2 0.6 2004 1.0 -2.2 -11.5 -17.2 -21.5 -16.8 -25.9 -20.7 -20.1 -13.8 -4.2 1.5 2005 1.0 -1.7 -7.7 -17.0 -16.4 -18.5 -19.9 -19.0 -19.3 -10.6 -4.7 1.4 2006 0.9 -1.8 -8.5 -17.1 -20.3 -18.4 -24.4 -16.3 -17.3 -14.0 -5.7 0.3 2007 1.7 -2.2 -8.3 -16.1 -15.9 -17.9 -18.9 -20.6 -18.1 -14.2 -5.3 0.5 2008 0.3 -4.3 -9.9 -14.2 -19.5 -16.3 -23.5 - - -13.3 -6.0 0.8 2009 1.1 -2.8 -9.9 -14.9 -18.4 -18.9 - -19.2 -19.4 -15.0 -4.0 0.8 2010 1.1 -1.9 -7.5 -16.0 -20.3 - - - -21.3 -13.3 -4.6 1.1 2011 1.4 -1.3 -6.6 -13.9 -18.1 - - - -17.1 -13.7 -3.4 1.1 2012 1.1 -1.4 -9.8 -16.9 -15.0 - - - -18.4 -14.2 -4.8 1.2 2013 1.6 -2.6 -9.2 -18.4 -17.2 - - - -15.6 -13.2 -5.6 1.4 2014 2.3 -1.3 -8.7 -16.1 -15.1 - - - -16.1 -11.7 -5.9 -0.1 2015 0.5 -1.5 -9.3 -19.6 -19.4 - - - -22.0 -12.6 -5.6 1.6 2016 0.7 -2.1 -8.1 -17.2 -18.1 - - - - -13.6 -4.3 1.2 2017 0.9 -0.9 -6.1 -14.4 -14.9 - - - -20.0 -11.9 -5.7 -0.1 2018 0.9 -3.1 -8.3 -14.0 - - - - -18.9 -12.2 -4.5 0.3 2019 0.8 -1.9 -6.1 -14.8 -15.8 - - - - -13.2 -3.7 0.8 2020 1.1 -0.8 -6.8 -15.4 - - - - - -14.0 -6.1 1.6 2021 1.8 -1.2 -5.3 - - - - - -17.8 -12.0 -4.8 1.7 2022 1.0 -0.3 -4.9 -14.4 - - - - - -12.5 -5.4 0.3 2023 1.0 -1.8 -10.0 -15.2 - - - - - - -6.0 0.6 2024 0.4 -3.4 -9.8 - - - - - - - -5.9 -